20430044331120 has 400 divisors, whose sum is σ = 73433408621760. Its totient is φ = 5257995337728.

The previous prime is 20430044331119. The next prime is 20430044331173. The reversal of 20430044331120 is 2113344003402.

20430044331120 is a `hidden beast` number, since 2 + 0 + 4 + 300 + 4 + 4 + 331 + 1 + 20 = 666.

It is a super-2 number, since 2×20430044331120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 487255597 + ... + 487297523.

Almost surely, 2^{20430044331120} is an apocalyptic number.

20430044331120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20430044331120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36716704310880).

20430044331120 is an abundant number, since it is smaller than the sum of its proper divisors (53003364290640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20430044331120 is a wasteful number, since it uses less digits than its factorization.

20430044331120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44574 (or 44559 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20430044331120 its reverse (2113344003402), we get a palindrome (22543388334522).

The spelling of 20430044331120 in words is "twenty trillion, four hundred thirty billion, forty-four million, three hundred thirty-one thousand, one hundred twenty".